Method to create memory in a dispersed smectic system

Details Method to create memory in a dispersed smectic system Method to create memory in a dispersed smectic system

1986-06-30

1988-10-04

Heyman, John S.

350351, G02F 1137

Patent

active

047752262

ABSTRACT:
A method of creating memory effect in an optically responsive film containing smectic liquid crystal microdroplets dispersed in a polymeric film by first heating it to a higher temperature such that the structure of the liquid crystal is transformed into an isotropic phase, and then cooling the liquid crystal from that higher temperature in an electric field of sufficient intensity such that the liquid crystal microdroplets remain in an aligned state of the smectic phase for a sufficiently long period of time.

REFERENCES:
patent: 3600060 (1968-02-01), Churchill et al.
patent: 3796999 (1974-03-01), Kahn
patent: 4435047 (1984-03-01), Fergason
patent: 4556289 (1985-12-01), Fergason

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